groundwork.de - dns.ninja

`groundwork.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9eb9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:4949^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.73^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.185^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`candy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`candy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`candy.ns.cloudflare.com`
		A	108.162.192.79^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	172.64.32.79^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
		A	173.245.58.79^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`candy.ns.cloudflare.com`
NS	`jaziel.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c337^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaziel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2337^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaziel.ns.cloudflare.com`
		A	108.162.195.55^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	162.159.44.55^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	172.64.35.55^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
MX	`groundwork-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`MS=ms51179771`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.73, 172.67.158.185
		IPv6 hints	2606:4700:3031::ac43:9eb9, 2606:4700:3033::6815:4949
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com
SOA	`candy.ns.cloudflare.com`dns@cloudflare.com serial=2411941683

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1786728793

Same first word

Similar names

workground.ru

workground.net

workground.com

workground.jp

DNS History

21 records (7 active, 14 former)

●NScandy.ns.cloudflare.com2026-05-14 → 2026-08-14 · 3 obs

○ 2026-04-15 04:25:32
● 2026-05-14 14:47:06
● 2026-08-14 17:58:36

●NSjaziel.ns.cloudflare.com2026-05-14 → 2026-08-14 · 3 obs

○ 2026-04-15 04:25:32
● 2026-05-14 14:47:06
● 2026-08-14 17:58:36

○NSns1.parkingcrew.net2015-06-30 → 2017-06-21 · 4 obs

● 2015-06-30 23:05:24
● 2017-06-21 03:28:02
○ 2026-02-27 13:20:26
○ 2026-08-14 17:58:36

○NSns2.parkingcrew.net2015-06-30 → 2017-06-21 · 4 obs

● 2015-06-30 23:05:24
● 2017-06-21 03:28:02
○ 2026-02-27 13:20:26
○ 2026-08-14 17:58:36

○NSns75.domaincontrol.com2026-02-27 → 2026-04-15 · 5 obs

○ 2017-06-21 03:28:02
● 2026-02-27 13:20:26
● 2026-04-15 04:25:32
○ 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

○NSns76.domaincontrol.com2026-02-27 → 2026-04-15 · 5 obs

○ 2017-06-21 03:28:02
● 2026-02-27 13:20:26
● 2026-04-15 04:25:32
○ 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

●MXgroundwork-de.mail.protection.outlook.com2026-05-14 → 2026-08-14 · 3 obs

○ 2026-04-15 04:25:32
● 2026-05-14 14:47:06
● 2026-08-14 17:58:36

○MXmail.h-email.net2015-06-30 → 2017-06-21 · 4 obs

● 2015-06-30 23:05:24
● 2017-06-21 03:28:02
○ 2026-02-27 13:20:26
○ 2026-08-14 17:58:36

○MXmxlb.ispgateway.de2026-02-27 → 2026-04-15 · 5 obs

○ 2017-06-21 03:28:02
● 2026-02-27 13:20:26
● 2026-04-15 04:25:32
○ 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

●A104.21.73.732026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-14 14:47:06
● 2026-08-14 17:58:36

○A157.90.184.1732026-05-14 → 2026-05-14 · 3 obs

○ 2026-04-15 04:25:32
● 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

●A172.67.158.1852026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-14 14:47:06
● 2026-08-14 17:58:36

○A185.53.178.92015-06-30 → 2015-11-05 · 4 obs

● 2015-06-30 23:05:24
● 2015-11-05 15:05:40
○ 2016-01-26 03:02:30
○ 2026-08-14 17:58:36

○A185.53.179.62016-01-26 → 2016-01-26 · 4 obs

○ 2015-11-05 15:05:40
● 2016-01-26 03:02:30
○ 2016-04-21 18:19:18
○ 2026-08-14 17:58:36

○A185.53.179.82017-06-21 → 2017-06-21 · 4 obs

○ 2016-04-21 18:19:18
● 2017-06-21 03:28:02
○ 2026-02-27 13:20:26
○ 2026-08-14 17:58:36

●A2606:4700:3031::ac43:9eb92026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-14 14:47:06
● 2026-08-14 17:58:36

●A2606:4700:3033::6815:49492026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-14 14:47:06
● 2026-08-14 17:58:36

○A2a00:116a:100:3b70::2026-02-27 → 2026-04-15 · 5 obs

○ 2017-06-21 03:28:02
● 2026-02-27 13:20:26
● 2026-04-15 04:25:32
○ 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

○A2a01:4f8:1061:20e5::22026-05-14 → 2026-05-14 · 3 obs

○ 2026-04-15 04:25:32
● 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

○A52.18.157.1752016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-26 03:02:30
● 2016-04-21 18:19:18
○ 2017-06-21 03:28:02
○ 2026-08-14 17:58:36

○A92.205.192.1282026-02-27 → 2026-04-15 · 5 obs

○ 2017-06-21 03:28:02
● 2026-02-27 13:20:26
● 2026-04-15 04:25:32
○ 2026-05-14 14:47:06
○ 2026-08-14 17:58:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
groundwork.de	candy.ns.cloudflare.com, jaziel.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.79

NS records: candy.ns.cloudflare.com, jaziel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groundwork.de (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.73, 172.67.158.185`
AAAA	2	`2606:4700:3031::ac43:9eb9, 2606:4700:3033::6815:4949`
NS	2	`candy.ns.cloudflare.com, jaziel.ns.cloudflare.com`
MX	1	`groundwork-de.mail.protection.outlook.co`
TXT	2	`MS=ms51179771, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`candy.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

groundwork.de directs to four IP numbers, which are 104.21.73.73, 172.67.158.185, 2606:4700:3031::ac43:9eb9 and 2606:4700:3033::6815:4949.

hknocode.shop, fleamarket.navercshops.com, airaccounting.com.au plus two other host names have IP numbers in common with groundwork.de.

Name Servers

groundwork.de has two authoritative name servers — candy.ns.cloudflare.com and jaziel.ns.cloudflare.com.

The name server configuration of groundwork.de is shared with other domains, for instance 123moviesfreenow.co, bmtonline.de, kickstrean.art and two others.

There is at least partial name server overlap between groundwork.de and other domains — desenvolvesoftware.com.br, phadp.org, healthcarecompliancepros.com and two more among them.

These name servers frequently co-occur with the name servers raegan.ns.cloudflare.com and henry.ns.cloudflare.com.

Hosts with 6 IP addresses each:

candy.ns.cloudflare.com points to 108.162.192.79, 172.64.32.79, 173.245.58.79 and 3 other IP addresses.

jaziel.ns.cloudflare.com points to 108.162.195.55, 162.159.44.55, 172.64.35.55 and 3 other IP addresses.

Mail Servers

groundwork.de uses one mail server — groundwork-de.mail.protection.outlook.com.

groundwork-de.mail.protection.outlook.com has 8 IP addresses: 52.101.168.0, 52.101.170.0, 52.101.170.1 plus 5 more.